<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>

断口号：<%=request.getServerPort() %>
服务器地址：<%=request.getRemoteAddr() %>
协议名称：<%=request.getProtocol() %>
断口号：<%=request.getServerPort() %>

<%
request.setAttribute("company","华南农业大学");%>
<%
String username=request.getParameter("username");
String password=request.getParameter("password");
Object company=request.getAttribute("company");
%>
用户名：<%=username %>
密码：<%=password %>
公司：<%=company %>
</body>
</html>